From a6985f3e1f33909c91a10f6b06dea34fb7736e0b Mon Sep 17 00:00:00 2001
From: ad31c0 <78684321+ad31c0@users.noreply.github.com>
Date: Mon, 24 May 2021 22:33:02 +0200
Subject: [PATCH] Revert "Add VAD platform capability through webrtcvad (#190)"
 (#209)

This reverts commit 6ef72cb28a979abfe30efa118577eb977f486e00.
---
 config.js                 |  4 +++-
 main.js                   |  2 +-
 package-lock.json         | 18 ------------------
 package.json              |  3 +--
 service/platform/index.js | 40 ---------------------------------------
 5 files changed, 5 insertions(+), 62 deletions(-)

diff --git a/config.js b/config.js
index f4c93150..f26b719a 100644
--- a/config.js
+++ b/config.js
@@ -78,4 +78,6 @@ module.exports.ENABLE_DB_ENCRYPTION = false;
 module.exports.SEMPRE_URL = process.env.THINGENGINE_NLP_URL || 'https://nlp-staging.almond.stanford.edu';
 module.exports.THINGPEDIA_URL = process.env.THINGPEDIA_URL || 'https://dev.almond.stanford.edu/thingpedia';
 module.exports.CLOUD_SYNC_URL = process.env.THINGENGINE_CLOUD_SYNC_URL || 'https://dev.almond.stanford.edu';
-module.exports.NL_URL = process.env.THINGENGINE_NL_URL || 'https://nlp-staging.almond.stanford.edu';
+module.exports.MS_SPEECH_RECOGNITION_PRIMARY_KEY = 'de1f02817356494483ba502b2ce95f6f';
+module.exports.MS_SPEECH_RECOGNITION_SECONDARY_KEY = '3dc6ce0b832940f0b0c984a1517c457e';
+
diff --git a/main.js b/main.js
index a81e669c..8ecc10eb 100644
--- a/main.js
+++ b/main.js
@@ -63,7 +63,7 @@ async function init(platform) {
 
     if (platform.hasCapability('sound')) {
         const speech = new Genie.SpeechHandler(conversation, platform, {
-            nlUrl: Config.NL_URL
+            subscriptionKey: Config.MS_SPEECH_RECOGNITION_PRIMARY_KEY
         });
 
         let play;
diff --git a/package-lock.json b/package-lock.json
index 462f46ad..ec2e78cb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6150,24 +6150,6 @@
       "resolved": "https://registry.npmjs.org/weak-map/-/weak-map-1.0.5.tgz",
       "integrity": "sha1-eWkVhNmGB/UHC9O3CkDmuyLkAes="
     },
-    "webrtcvad": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/webrtcvad/-/webrtcvad-1.0.1.tgz",
-      "integrity": "sha512-oLfReCmGMpRducFWKP+o0GpKZLPj0u6qkln3P7wGaEzyjxtBiFuzvK28pmKF5SSihEkC1RGKO7Pi9C4VfY1q4Q==",
-      "optional": true,
-      "requires": {
-        "bindings": "^1.3.0",
-        "node-addon-api": "^1.7.1"
-      },
-      "dependencies": {
-        "node-addon-api": {
-          "version": "1.7.2",
-          "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-1.7.2.tgz",
-          "integrity": "sha512-ibPK3iA+vaY1eEjESkQkM0BbCqFOaZMiXRTtdB0u7b4djtY6JnsjvPdUHVMg6xQt3B8fpTTWHI9A+ADjM9frzg==",
-          "optional": true
-        }
-      }
-    },
     "which": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
diff --git a/package.json b/package.json
index 63102fb3..64ecf6c9 100644
--- a/package.json
+++ b/package.json
@@ -38,8 +38,7 @@
   "optionalDependencies": {
     "canberra": "^0.1.2",
     "pulseaudio2": "^0.5.0",
-    "snowboy": "^1.3.1",
-    "webrtcvad": "^1.0.1"
+    "snowboy": "^1.3.1"
   },
   "devDependencies": {
     "coveralls": "^3.1.0",
diff --git a/service/platform/index.js b/service/platform/index.js
index 90894cbf..1e7c6fcd 100644
--- a/service/platform/index.js
+++ b/service/platform/index.js
@@ -243,38 +243,6 @@ class SoundEffectsApi {
     }
 }
 
-let webrtcvad;
-try {
-    webrtcvad = require('webrtcvad').default;
-} catch(e) {
-    console.log("VAD not available");
-    webrtcvad = null;
-}
-
-class VAD {
-    constructor() {
-        this._instance = null;
-    }
-
-    setup(bitrate, level) {
-        if (this._instance)
-            this._instance = null;
-
-        if (webrtcvad) {
-            this._instance = new webrtcvad(bitrate, level);
-            // console.log("setup VAD bitrate", bitrate, "level", level);
-            return true;
-        }
-
-        return false;
-    }
-
-    process(chunk) {
-        if (!this._instance)
-            return false;
-        return this._instance.process(chunk);
-    }
-}
 
 class ServerPlatform extends Tp.BasePlatform {
     constructor() {
@@ -292,7 +260,6 @@ class ServerPlatform extends Tp.BasePlatform {
         safeMkdirSync(this._cacheDir);
 
         this._wakeWordDetector = null;
-        this._voiceDetector = null;
         this._soundEffects = null;
 
         this._sqliteKey = null;
@@ -350,9 +317,6 @@ class ServerPlatform extends Tp.BasePlatform {
 
             if (canberra)
                 this._soundEffects = new SoundEffectsApi();
-
-            if (webrtcvad && VAD)
-                this._voiceDetector = new VAD();
         } else {
             this._pulse = null;
         }
@@ -409,8 +373,6 @@ class ServerPlatform extends Tp.BasePlatform {
         case 'wakeword-detector':
             this._ensurePulseAudio();
             return this._wakeWordDetector !== null;
-        case 'voice-detector':
-            return this._voiceDetector !== null;
 
         case 'sound-effects':
             this._ensurePulseAudio();
@@ -438,8 +400,6 @@ class ServerPlatform extends Tp.BasePlatform {
         case 'wakeword-detector':
             this._ensurePulseAudio();
             return this._wakeWordDetector;
-        case 'voice-detector':
-            return this._voiceDetector;
         case 'sound-effects':
             this._ensurePulseAudio();
             return this._soundEffects;